We're going to solve 9990 multiplied by 5403
9990 × 5403 = 5403 × (9990)
+ 5403 × 0 resulting in 0
+ 5403 × 90 that is equal 486270
+ 5403 × 900 resulting in 4862700
+ 5403 × 9000 what gives us 48627000

= 53975970
